UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7rjZgCZmZYf+MJLaY5xErEQXmJSX3rGvn//Ez2+iVyc=' 
WHERE 
  key_id = '50b869ddb552ccacfe6e4a7df93d719e78bfd5b33a2d9bb1b35202eea1a99796' 
  AND (
    token = '7rjZgCZmZYf+MJLaY5xErEQXmJSX3rGvn//Ez2+iVyc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )